Home / 226,579.86-312,602.33-140,507.90

Finding the Fourth Proportional to 226,579.86, 312,602.33 and 140,507.90

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Solution

The fourth proportional to 226,579.86, 312,602.33 and 140,507.90 is: 193,852.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,579.86 : 312,602.33 = 140,507.90 : x
  2. Step 2: Convert to fraction form
    226,579.86/312,602.33 = 140,507.90/x
  3. Step 3: Cross multiply
    226,579.86x = 312,602.33 × 140,507.90
  4. Step 4: Simplify right side
    226,579.86x = 43,923,096,923.41
  5. Step 5: Solve for x
    x = 43,923,096,923.41/226,579.86
  6. Step 6: Final answer
    x = 193,852.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.